package com.atguigu.rabbitmq.one;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Consumer {
    // 队列名称
    private final static String QUEUE_NAME = "hello";
    // 消费消息
    public static void main(String[] args) throws IOException, TimeoutException {
        // 创建连接工厂
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("192.168.42.247");
        factory.setUsername("mnmnwq");
        factory.setPassword("123456");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        // 声明 接收消息
        DeliverCallback deliverCallback = (consumerTag,message) -> {
            // 打印消息
            System.out.println(new String(message.getBody()));
        };
        // 声明 取消消息时的回调
        CancelCallback cancelCallback = (consumerTag) -> {
            System.out.println("消息消费被中断");
        };

        /**
         * 消费消息
         * 1. 消费哪个队列
         * 2. 消费成功之后是否要自动应答，true-代表自动应答，false-手动应答
         * 3. 消费者未成功消费的回调
         * 4. 消费者取消消费的回调
         */
        channel.basicConsume(QUEUE_NAME,true, deliverCallback,cancelCallback);
    }
}
